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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US407819428 Apr 19767 Mar 1978Micro Communications CorporationArrangement for controlling the speed of a motor
US422712929 Jan 19797 Oct 1980Spin Physics, Inc.Apparatus for detecting the speed of an electric motor
US430502512 May 19808 Dec 1981The Singer CompanyVelocity servo with adaptive tachometer feedback
US44279319 Oct 198124 Jan 1984Sanyo Electric Co., Ltd.
Tokyo Sanyo Electric Co., Ltd.
Speed control apparatus for direct current motor
US444746821 Mar 19838 May 1984QMI CorporationPhotographic film coating apparatus and method
US44940572 Dec 198215 Jan 1985Kabushiki Kaisha Morita SeisakushoSpeed control system for small medical motors
US451042328 Jul 19829 Apr 1985Olympus Optical Co., Ltd.Motor apparatus
US452710427 May 19832 Jul 1985Olympus Optical Company, Ltd.Speed control apparatus for d.c. motor
US45462946 Feb 19858 Oct 1985Apparatus for removing torque ripples in a direct current motor
US46493276 May 198510 Mar 1987NEC CorporationElectric motor control circuit
US47361421 Jul 19875 Apr 1988Dart Controls, Inc.Speed control system for electric motor
US487347328 Jan 198810 Oct 1989Dart Controls, Inc.Modular motor controller